1, high thermai stability,wear resistance 2 high quality and Strict process 3 competitive price and best ... the world.Ceramic knives are made out of a high-tech ceramic called zirconium oxide(ZrO2),material in hardness ... China (Mainland)Brand Name: GOODName: high resistance and good quality Metal ceramic cutting toolsPhysical Properties: high strength,high hardnesPackaging Detail:paper, then paper ...